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Osmosis is the movement of water molecules from an area of high concentration to an area of low concentration, through a partially permeable membrane. 

We know that 17% is the same as 17/100 or 0.17 so we do 0.17*84 = 14.28.

At this age, the most important part of history is not essay structure or coherence of argument. Rather, it is ensuring the student garners enthusiasm towards the subject and understands its importance. T...

Firstly, I would look at the exam board the student is using. For GCSE and A Level, marking criteria are usually a great starting point. However, for students they can often be too wordy and complex. Bein...

A typical GCSE question will give you an equation in the from ax² + bx + c, x² - 8x + 15 = 0 for example, and ask you to solve the possible value of X. To do this we need to split th...